* {
    padding: 0;
    margin: 0;
    text-decoration: none;
    list-style: none;
    font-size: 12px;
    font-family: 微软雅黑;
    border-radius: 5px;
}

.head_bg {
    background-color: white;
    width: 100%;

}

.head_meta {
    width: 1536px;
    height: 151px;
    margin: auto;
}

.head_pic {
    width: 100%;
    height: 151px;
    background: url("../images/bg1.jpg") no-repeat;
    box-shadow: 0px 0px 5px 1px #666666;
    background-size: 100% 100%;
    -webkit-filter: brightness(0.8);
}

.head_main {
    position: relative;
    top: -151px;
    width: 100%;
    margin: auto;
    height: 50px;
    padding: 5px 0 5px 15px;
    overflow: hidden;
    /*background-color: rgba(255, 255, 255, 0.4);*/
    box-shadow: rgba(0, 0, 0, 0.1) 0 1px 2px;
    /*background-image: url("../images/video/head_video1.jpg");*/
    background-size: 100% 100%;
    background-color: white;
    /*background-color: hsla(0,0%,100%,.5);*/
    /*box-shadow: 0 1px 2px rgba(0,0,0,.1);*/
}

.head_nav {
    width: 91.146%;
    margin: auto;
}

.elemList {
    width: 29%;
    height: 40px;
    margin-bottom: 0;
    float: left;
}

.elemList li {
    float: left;
    width: 11%;
    height: 40px;
    text-align: center;
}

.elemList li:hover {
    background-color: #d1d1d1;
    border-radius: 10%;

}

.elemList li a {
    display: block;
    height: inherit;
    width: 100%;
    line-height: 40px;
    color: black;
}

.elemList li a:focus {
    text-decoration: none;
}

.elemList li a:hover {
    text-decoration: none;
    color: #ec971f;
    font-size: 13px;
}

.user_face {
    float: left;
    height: 30px;
    width: 30px;
    position: relative;
    left: 110px;
    top: 5px;

}

.user_face img {
    height: 100%;
    width: 100%;
    vertical-align: middle;
    border-radius: 50%;
}

.head_search {
    float: left;
    width: 30%;
    height: 40px;
    position: relative;
    left: 25px;
    top: 4px;
}

.form_search {
    margin: auto;
}

.search {
    width: 100%;
    padding: 5px;
    background-color: #f4f4f4;
    border: 1px solid hsla(0, 0%, 100%, 0);
    border-radius: 5px;
    float: left;
}

.b_search {
    width: 25px;
    height: 27px;
    line-height: 25px;
    float: right;
    position: relative;
    left: -1%;
    top: -30px;
    border: 1px solid hsla(0, 0%, 100%, 0);
    background: url("../images/search_16px_1223096_easyicon.net.png") no-repeat center;
}

.b_search:focus {
    border: none;
}

.elemList1 {
    float: right;
}

.logo_nav {
    background-color: rgba(0, 0, 0, 0);
    margin: auto;
    width: 1200px;
    position: relative;
    top: -131px;
    overflow: hidden;
}

.logo {
    width: 250px;
    height: 80px;
    position: relative;
    left: -50px;
}

.logo img {
    width: 100%;
    height: 100%;
    vertical-align: middle;
}

.create_land {
    width: 70px;
    height: 65px;
    box-shadow: 0px 0px 5px 1px #666666;
    border-radius: 10px;
    position: fixed;
    top: -8px;
    z-index: 1000;
    opacity: 0.8;
    right: 5%;
}

.create_land a {
    border-radius: 10px;
    width: 100%;
    height: 65px;
    display: block;
    text-align: center;
    padding-top: 8px;
    line-height: 52px;
    font-size: 14px;
    color: white;
    background-color: #ec971f;
}

.create_land a:hover {
    background-color: black;
    opacity: 0.8;
    color: #ec971f;
    text-decoration: none;
    font-weight: 700;
}

.create_land a:focus {
    background-color: white;
    text-decoration: none;
    color: black;
    opacity: 0.8;
}